poss #1:
energy to maintain less than the risk of potential damage to functioning genes if it were removed

Poss#2: might be reservior of DNA to build useful genes in future

poss#3:extra segments of DNA that might have evolved ways to prevent themselves from being removed

Law of Dominance-
what is it? offspring?

in a cross of parents
-that are pure for contrasting traits
-only one form of the trait will appear in the nxt gener.

all offspring will be heter.
-express dom trait

Law of Segregation-
what happens?

during the formation of gametes (eggs or sperm)
-the two alleles responsible for a trait spe from each other
-alleles for a trait
*"recombined" at fertilization
*producing the genotype for the traits of the offsprg